[PATCH] asm/memory.h: remove dead definitions
Nicolas Pitre
nicolas.pitre at linaro.org
Wed Jul 27 13:10:34 PDT 2016
The last ad-hoc __phys_to_virt definition was removed in commit fd0053c9
("ARM: realview: remove sparsemem hack"). Therefore we can remove the
unneeded definitions and unduplicate the virt_to_pfn macro from
asm/memory.h.
Signed-off-by: Nicolas Pitre <nico at linaro.org>
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 31c07a2cc1..76cbd9c674 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -159,13 +159,8 @@
* PFNs are used to describe any physical page; this means
* PFN 0 == physical address 0.
*/
-#if defined(__virt_to_phys)
-#define PHYS_OFFSET PLAT_PHYS_OFFSET
-#define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT))
-
-#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
-#elif defined(CONFIG_ARM_PATCH_PHYS_VIRT)
+#if defined(CONFIG_ARM_PATCH_PHYS_VIRT)
/*
* Constants used to force the right instruction encodings and shifts
@@ -182,10 +177,6 @@ extern const void *__pv_table_begin, *__pv_table_end;
#define PHYS_OFFSET ((phys_addr_t)__pv_phys_pfn_offset << PAGE_SHIFT)
#define PHYS_PFN_OFFSET (__pv_phys_pfn_offset)
-#define virt_to_pfn(kaddr) \
- ((((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT) + \
- PHYS_PFN_OFFSET)
-
#define __pv_stub(from,to,instr,type) \
__asm__("@ __pv_stub\n" \
"1: " instr " %0, %1, %2\n" \
@@ -257,12 +248,12 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
return x - PHYS_OFFSET + PAGE_OFFSET;
}
+#endif
+
#define virt_to_pfn(kaddr) \
((((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT) + \
PHYS_PFN_OFFSET)
-#endif
-
/*
* These are *only* valid on the kernel direct mapped RAM memory.
* Note: Drivers should NOT use these. They are the wrong
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